AD7631 Datasheet (Analog Devices) - Differential Programmable Input PulSAR ADC

AD7631, Differential Programmable Input PulSAR ADC

The AD7631/AD7634 is an18-bit, charge redistribution successive approximation register (SAR) architecture analog-todigital converter (ADC) with programmable input ranges and mode selection via a dedicated write only serial interface (or by hardware pin-strapping).

The device is fabricated on ADI’s p

AD7631 Features

* Multiple pins/software programmable input ranges: ±10V, ±5V, 10V, 5V iCMOS™ process technology Pins or serial SPI input ranges/mode selection Throughput: 670kSPS (AD7634) 250kSPS (AD7631) INL: ± 1.75 LSB (7± ppm of full scale) DNL: +2/-1 LSB 18-bit resolution with no missing codes Dynamic range: 102